Home / 10,612.18-15,896.40-6,216.31

Finding the Fourth Proportional to 10,612.18, 15,896.40 and 6,216.31

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Solution

The fourth proportional to 10,612.18, 15,896.40 and 6,216.31 is: 9,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.18 : 15,896.40 = 6,216.31 : x
  2. Step 2: Convert to fraction form
    10,612.18/15,896.40 = 6,216.31/x
  3. Step 3: Cross multiply
    10,612.18x = 15,896.40 × 6,216.31
  4. Step 4: Simplify right side
    10,612.18x = 98,816,950.28
  5. Step 5: Solve for x
    x = 98,816,950.28/10,612.18
  6. Step 6: Final answer
    x = 9,311.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.